Two veteran diplomats implore Trey Gowdy to wind up his committee's inquiry.
The news prompted fresh accusations that the panel was created to damage the Democratic front-runner.
Republican Representative Richard Hanna said the committee was designed to go after the Democratic candidate.
Democrats have said the panel may have violated ethics rules and should dissolve.
305 emails from Hillary Clinton's private server used while she was secretary of state will be referred for review for potentially classified information.
The Benghazi Committee's desire to access Clinton's server is a smokescreen for a politically-motivated hatchet job.
Democrat's presidential campaign says invitation from Representative Trey Gowdy was accepted.
The children were killed on Tuesday when a rocket hit their neighborhood, near an area where army forces and Islamist brigades have been fighting
Ansar al-Sharia's spiritual leader defects to ISIS in bid to influence fellow North African jihadis.
"To me, facts are not red or blue…. They're just the facts," says the South Carolina Republican.
Former Secretary of State's email controversy leaves Democrats wondering whether she is right candidate for presidential nomination
Will "emailgate" derail the Democratic Party's inevitable candidate?
As jihadis use cultural vandalism as a weapon of war, fears are increasing for the country's Greco-Roman heritage.
A New York Times report determined Clinton's emails were not archived in real time on government servers as required by law.
The army reportedly has retaken nearly all of Benghazi from the extremist group Ansar al-Sharia.
An anti-government Islamist politician was pictured with the Ukrainian foreign minister in Kiev.
Images released on social media show a convoy of 4x4s flying jihadist flags in Benghazi.
From YouTube videos depicting police brutality to defamatory blog posts, 2013 saw a spike in removal requests.
The Republican presidential hopeful spells out where his foreign policy differs from his rivals.
British embassy convoy attacked as fierce fighting between rival factions leads to foreign embassy evacuations
"You can imagine that he was not obstinate, he was not pushing back, but he was likely not providing information," Representative Mike Rogers said.
Libyan militia leader Ahmed Abu Khatallah was taken to a federal court in Washington from a Navy warship where he had been held since his June 15 capture